The Williams, later Williams-Bulkeley Baronetcy, of Penrhyn in the County of Caernarvon, is a title in the Baronetage of England. It was created on 17 June 1661 for Griffith Williams. He had already been granted a baronetcy by Oliver Cromwell

Oliver Cromwell

Oliver Cromwell was an English military and political leader who overthrew the English monarchy and temporarily turned England into a republican Commonwealth, and served as Lord Protector of England, Scotland, and Ireland....

 in 1658. The second Baronet represented both Caernarvonshire

Caernarvonshire (UK Parliament constituency)

Caernarvonshire was a constituency of the House of Commons of the Parliament of England then of the Parliament of Great Britain from 1707 to 1800 and of the Parliament of the United Kingdom from 1801 to 1885 and from 1918 until 1950. It elected one Member of Parliament by the first past the post...

 and Caernarvon in the House of Commons

British House of Commons

The House of Commons is the lower house of the Parliament of the United Kingdom, which also comprises the Sovereign and the House of Lords . Both Commons and Lords meet in the Palace of Westminster. The Commons is a democratically elected body, consisting of 650 members , who are known as Members...

. The eighth Baronet sat as Member of Parliament

Member of Parliament

A Member of Parliament is a representative of the voters to a :parliament. In many countries with bicameral parliaments, the term applies specifically to members of the lower house, as upper houses often have a different title, such as senate, and thus also have different titles for its members,...

 for Beaumaris

Beaumaris (UK Parliament constituency)

Beaumaris was a parliamentary borough in Anglesey, which returned one Member of Parliament to the House of Commons of the Parliament of England from 1553, then to the Parliament of Great Britain from 1707 to 1800 and to the Parliament of the United Kingdom from 1801 to 1885, when the constituency...

 while the ninth Baronet represented Caernarvonshire and Beaumaris. The tenth Baronet was Member of Parliament for Beaumaris, Anglesey and Flint Burghs and served as Lord Lieutenant of Caernarvonshire

Lord Lieutenant of Caernarvonshire

This is a list of people who served as Lord Lieutenant of Caernarvonshire. Since 1778, all Lord Lieutenants have also been Custos Rotulorum of Caernarvonshire...

. In 1826 he assumed by Royal licence the additional surname of Bulkeley on succeeding to the estates of Thomas James Bulkeley, 7th Viscount Bulkeley. The twelfth and thirteenth Baronets were both Lord Lieutenant of Anglesey

Lord Lieutenant of Anglesey

This is a list of people who served as Lord Lieutenant of Anglesey. Since 1761, all Lord Lieutenants have also been Custos Rotulorum of Anglesey...

 while the latter was also Lord Lieutenant of Gwynedd

Lord Lieutenant of Gwynedd

This is an incomplete list of people who have served as Lord Lieutenant for Gwynedd. The office was created on 1 April 1974.*Sir Richard Williams-Bulkeley, 13th Baronet 1 April 1974 – 1980? with two lieutenants:...

.

The family seat is Baron Hill

Baron Hill (house)

Baron Hill is an estate in Beaumaris, Anglesey, Wales, named after the hill on which it stands. It was established in 1618, in preparation for Prince Henry of Wales's progress to Ireland, by Sir Richard Bulkeley as the family seat of the influential Bulkeley family.During the English Civil War,...

, Beaumaris, Anglesey

Anglesey

Anglesey , also known by its Welsh name Ynys Môn , is an island and, as Isle of Anglesey, a county off the north west coast of Wales...

.

Williams, later Williams-Bulkeley Baronets, of Penrhyn (1661)

• Sir Griffith Williams, 1st Baronet (d. 1663)
• Sir Robert Williams, 2nd Baronet
  Sir Robert Williams, 2nd Baronet
  Sir Robert Williams, 2nd Baronet , was a politician in Wales.He was a Member of Parliament for Caernarvonshire, 1656–1658, and for Caernarvon Boroughs, 1659. He was one of the Williams-Bulkeley Baronets; he became a baronet in 1663....
  
   (c. 1627-1678)
• Sir John Williams, 3rd Baronet (d. c. 1682)
• Sir Griffith Williams, 4th Baronet (d. c. 1685)
• Sir Hugh Williams, 5th Baronet (d. c. 1706)
• Sir Griffith Williams, 6th Baronet (d. 1734)
• Sir Robert Williams, 7th Baronet (d. 1745)
• Sir Hugh Williams, 8th Baronet (c. 1718-1794)
• Sir Robert Williams, 9th Baronet
  Sir Robert Williams, 9th Baronet
  Sir Robert Williams, 9th Baronet was a British politician who sat in the House of Commons from 1790 to 1830.Williams was the son of Sir Hugh Williams, 8th Baronet and his wife Emma Rowland....
  
   (1764-1830)
• Sir Richard Bulkeley Williams-Bulkeley, 10th Baronet
  Sir Richard Williams-Bulkeley, 10th Baronet
  Sir Richard Bulkeley Williams-Bulkeley, 10th baronet was an English Whig and Liberal politician who sat in the House of Commons variously between 1831 and 1868....
  
   (1801-1875)
• Sir Richard Mostyn Lewis Williams-Bulkeley, 11th Baronet (1833-1884)
• Sir Richard Henry Williams-Bulkeley, 12th Baronet (1862-1942)
• Sir Richard Harry David Williams-Bulkeley, 13th Baronet (1911-1992)
• Sir Richard Thomas Williams-Bulkeley, 14th Baronet (b. 1939)